Build(deps): Bump pyjwt from 2.13.0 to 2.15.0 in /eng

Bumps [pyjwt](https://github.com/jpadilla/pyjwt) from 2.13.0 to 2.15.0.
- [Release notes](https://github.com/jpadilla/pyjwt/releases)
- [Changelog](https://github.com/jpadilla/pyjwt/blob/master/CHANGELOG.rst)
- [Commits](jpadilla/pyjwt@2.13.0...2.15.0)

---
updated-dependencies:
- dependency-name: pyjwt
  dependency-version: 2.15.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]